Vim What?Commands*
*

The * command in Vim

Motion

next ident

Search forward for the word under the cursor (whole word match). Use g* for a partial match. Sets the search register — use n/N to navigate.
Examples
Related plugin

haya14busa/vim-asterisk — Extends * so the cursor stays on the current match instead of jumping to the next one. Supports z* (no-jump) and visual star.

Reference

Official Vim help for *

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Also on Firefox.

Related motions